diff --git a/functions.php b/functions.php
index a89305d..48000df 100644
--- a/functions.php
+++ b/functions.php
@@ -98,8 +98,10 @@ add_action( 'after_setup_theme', 'featureon_setup' );
 
 /*  Custom navigation
 /* ------------------------------------ */
-add_action( 'wp', function() {
+if ( ! class_exists( '\Featureon\Nav' ) ) {
 	require_once 'functions/nav.php';
+}
+add_action( 'wp', function() {
 	$nav = new \Featureon\Nav();
 	$nav->enqueue(
 		[
diff --git a/languages/featureon.pot b/languages/featureon.pot
index 874ffd4..0dbe501 100644
--- a/languages/featureon.pot
+++ b/languages/featureon.pot
@@ -2,7 +2,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Featureon\n"
-"POT-Creation-Date: 2021-03-05 15:47+0100\n"
+"POT-Creation-Date: 2021-05-25 14:21+0200\n"
 "PO-Revision-Date: 2018-09-21 21:27+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
@@ -78,83 +78,83 @@ msgstr ""
 msgid "Footer"
 msgstr ""
 
-#: functions.php:184
+#: functions.php:186
 msgid "Primary"
 msgstr ""
 
-#: functions.php:184 functions.php:185
+#: functions.php:186 functions.php:187
 msgid "Normal full width sidebar"
 msgstr ""
 
-#: functions.php:185
+#: functions.php:187
 msgid "Secondary"
 msgstr ""
 
-#: functions.php:187 functions/theme-options.php:295
+#: functions.php:189 functions/theme-options.php:295
 msgid "Header Ads"
 msgstr ""
 
-#: functions.php:188 functions/theme-options.php:322
+#: functions.php:190 functions/theme-options.php:322
 msgid "Footer Ads"
 msgstr ""
 
-#: functions.php:188
+#: functions.php:190
 msgid "Footer ads area"
 msgstr ""
 
-#: functions.php:190
+#: functions.php:192
 msgid "Frontpage Top 1"
 msgstr ""
 
-#: functions.php:190 functions.php:191 functions.php:192 functions.php:193
+#: functions.php:192 functions.php:193 functions.php:194 functions.php:195
 msgid "Frontpage area"
 msgstr ""
 
-#: functions.php:191
+#: functions.php:193
 msgid "Frontpage Top 2"
 msgstr ""
 
-#: functions.php:192
+#: functions.php:194
 msgid "Frontpage Bottom 1"
 msgstr ""
 
-#: functions.php:193
+#: functions.php:195
 msgid "Frontpage Bottom 2"
 msgstr ""
 
-#: functions.php:195
+#: functions.php:197
 msgid "Footer 1"
 msgstr ""
 
-#: functions.php:195 functions.php:196 functions.php:197 functions.php:198
+#: functions.php:197 functions.php:198 functions.php:199 functions.php:200
 msgid "Widgetized footer"
 msgstr ""
 
-#: functions.php:196
+#: functions.php:198
 msgid "Footer 2"
 msgstr ""
 
-#: functions.php:197
+#: functions.php:199
 msgid "Footer 3"
 msgstr ""
 
-#: functions.php:198
+#: functions.php:200
 msgid "Footer 4"
 msgstr ""
 
-#: functions.php:693
+#: functions.php:695
 msgid "Alx Extensions"
 msgstr ""
 
-#: functions.php:697
+#: functions.php:699
 msgid "Meta Box"
 msgstr ""
 
-#: functions.php:701
+#: functions.php:703
 msgid "Regenerate Thumbnails"
 msgstr ""
 
-#: functions.php:705
+#: functions.php:707
 msgid "WP-PageNavi"
 msgstr ""
 
diff --git a/readme.txt b/readme.txt
index 2d5ba93..011d4d0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -74,6 +74,10 @@ Source: https://stocksnap.io
 
 == Changelog ==
 
+= 2.4.3 - 2021-05-25 =
+* Fixed compatibility issue with custom nav and various security plugins
+* Updated language files
+
 = 2.4.2 - 2021-03-05 =
 * Fixed: mobile menu tabbing will enter in the menu even when it's closed
 * Fixed: trap focus in search popup
diff --git a/style.css b/style.css
index 7d27a67..aae9d7a 100644
--- a/style.css
+++ b/style.css
@@ -1,7 +1,7 @@
 /*
 Theme Name: Featureon
 Theme URI: http://alx.media/themes/featureon/
-Version: 2.4.2
+Version: 2.4.3
 Requires at least: 5.0
 Requires PHP: 5.6
 Tested up to: 5.6